code: def __init__(self, backbone):
      super().__init__()
      self.backbone = backbone
      self.projection_head = VICRegProjectionHead(
          input_dim=512,
          hidden_dim=2048,
          output_dim=2048,
          num_layers=2,
      )
  
file_path: lightly/examples/pytorch/vicreg.py
imports: import torch
  import torchvision
  from torch import nn
  from lightly.loss import VICRegLoss
  from lightly.loss.vicreg_loss import VICRegLoss
  from lightly.models.modules.heads import VICRegProjectionHead
  from lightly.transforms.vicreg_transform import VICRegTransform
label_desc: Use image node_id 1 to create a new VICReg object from inherited base classes: nn with example: obj = VICReg(backbone)